英语词汇“underdrive”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	underdrive
释义	ˈunderdrive [under-¹ 10 b.] An auxiliary speed-reducing gear in a motor vehicle which may be brought into operation in addition to the ordinary gears to provide an additional set of gear ratios. 1929[see overdrive n. 1 a].1941Automobile Engineer XXXI. 48/1 Chrysler's new ‘underdrive’ transmission, when coupled with the fluid drive and conventional clutch, is one of the outstanding mechanical innovations of the year.1981Sunday Express (Colour Suppl.) 4 Oct. /4 (Advt.), The only car with underdrive.
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